Blue Knight

From Astro Boy Wiki

The blue knight is an ally of Astro boy but not always. He hates humans. He fights with a lightsaber like sword and rides on a white horse. He was created by Shadow. He is the leader of robot knights. His horse is flying. He started off as a normal robot. He repaired other robots. He was badly mistreated by Ham egg. He and his friends hated Ham egg. Ham egg attacked him. He was found floating in space destroyed. Shadow found him. He repaired him. He charged his energy up. He recreated him into the blue knight. The blue knights friends used to be robot wrestlers. They became part of his team. He and his friends have fought alongside Astro numerous times. The blue knights catch phrase is filthy humans! He created a robot kingdom in Antarctica called Robotonia. It started a war. Atlas joined him in Robotonia and so did Pluto who had returned.